Multi-Frame Blind Manifold Deconvolution for Rotating Synthetic Aperture Imaging

• URL: http://arxiv.org/abs/2501.19386v1
• Date: Fri, 31 Jan 2025 18:39:47 GMT
• Title: Multi-Frame Blind Manifold Deconvolution for Rotating Synthetic Aperture Imaging
• Authors: Dao Lin, Jian Zhang, Martin Benning,
• Abstract summary: Rotating synthetic aperture (RSA) imaging system captures images of the target scene at different rotation angles by rotating a rectangular aperture. Deblurring acquired RSA images plays a critical role in reconstructing a latent sharp image underlying the scene. We propose a novel method to process RSA images using manifold fitting and penalisation in the content of blind convolution.
• Score: 4.19203497706834
• License:
• Abstract: Rotating synthetic aperture (RSA) imaging system captures images of the target scene at different rotation angles by rotating a rectangular aperture. Deblurring acquired RSA images plays a critical role in reconstructing a latent sharp image underlying the scene. In the past decade, the emergence of blind convolution technology has revolutionised this field by its ability to model complex features from acquired images. Most of the existing methods attempt to solve the above ill-posed inverse problem through maximising a posterior. Despite this progress, researchers have paid limited attention to exploring low-dimensional manifold structures of the latent image within a high-dimensional ambient-space. Here, we propose a novel method to process RSA images using manifold fitting and penalisation in the content of multi-frame blind convolution. We develop fast algorithms for implementing the proposed procedure. Simulation studies demonstrate that manifold-based deconvolution can outperform conventional deconvolution algorithms in the sense that it can generate a sharper estimate of the latent image in terms of estimating pixel intensities and preserving structural details.

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